With all the hype surrounding Kate Middleton and Prince William’s newborn, Prince George, it’s the perfect time to remember and honor William’s mother, Princess Diana. Well, that’s going to be pretty easy and convenient — the first, full trailer for the Princess’ biopic, Diana, hit the web on Monday.

In the film, Naomi Wattsportrays the late princess, in the story about the last two years of her life, leading up to her untimely death. From the trailer, it seems like the focus of the film is Princess Diana’s romance with surgeon Dr. Hasnat Khan, but at the same time, we’ll delve into her personal life and get a glimpse at some of the charity work she did.

Naomi gives a convincing performance as William’s mother, that has already earned her praise. Check out the trailer here: